Tizen files can be usually encountered as TPK app packages that can be installed on devices featuring TizenOS, typically from Samsung.
TIZEN file extension - Tizen file
What is tizen file? How to open tizen files?
File type specification:
Tizen OS is used primarily on Samsung devices uses numerous file types. Most users looking for "Tizen file" are actually looking for TPK packages, which are apps that can be installed in devices that run TizenOS.